The first declared National Monument in the United States.

A bizarre house filled with an astounding array of collections.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Like stepping into a spooky fairy-tale, this shop carries the dark ideas of artists and other makers.

A home designed to be on the cutting edge of comfortable, low-cost living.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

Community owned and operated, this property is home to a diverse set of nudists.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

When ecosystems collide in the arid Southwest.

The largest self-built castle in the U.S., six decades in the making.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A cemetery housing wild west legends in South Dakota.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

These otherworldly limestone formations jut out from the Kansas prairie.